According to the JBI evidence hierarchy (effectiveness domain), what level of evidence is this article?

QUESTION 1 (3 marks)

a) Locate, and give the reference for, one article that represents the highest evidence available relating to the changing of intravenous administration sets.
b) According to the JBI evidence hierarchy (effectiveness domain), what level of evidence is this article?
c) What is the evidence regarding the frequency of administration set changes?

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